Home / 145,797.55-201,176.26-81,252.69

Finding the Fourth Proportional to 145,797.55, 201,176.26 and 81,252.69

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Solution

The fourth proportional to 145,797.55, 201,176.26 and 81,252.69 is: 112,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,797.55 : 201,176.26 = 81,252.69 : x
  2. Step 2: Convert to fraction form
    145,797.55/201,176.26 = 81,252.69/x
  3. Step 3: Cross multiply
    145,797.55x = 201,176.26 × 81,252.69
  4. Step 4: Simplify right side
    145,797.55x = 16,346,112,289.14
  5. Step 5: Solve for x
    x = 16,346,112,289.14/145,797.55
  6. Step 6: Final answer
    x = 112,115.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.